Below is the plotly code for scatter graph for top 100 universities that shows their citations and rankings.

fig <- top_univ %>%
      plot_ly(y = ~citations, x = ~ranking,
              text=~university_name, hoverinfo="text") %>%
            add_markers(color = ~country, 
                        colors=mycolors,frame = ~year)
fig

Use the right arrow to view the next slide.

Slide or Play to see top universities over the years for each country listed. Hover over the data points to see the university. World Universities Data